| AAAL | american academy of arts and letters |
|---|---|
| AAC | Academic Advisory Center |
| AAD | American Academy of Denturity |
| AAD | American Academy of Dermatology |
| AAF | American Advertising Federation |
| AAM | Academy of Ancient Music |
| AAN | American Academy of Neurology (skr.) |
| AAN | American Academy of Nursing |
| AANIPADA | sumerský vládca Uru |
| AAP | Academy of American Poets |